Rapid Tone Diet The first of these is arginine alpha-ketoglutarate (A-AKG). The second is arginine-Ketoisocaproate (A-KIC). Both of these will boost the natural levels of nitric oxide contained in the body which increases your blood flow, the transport of oxygen within your body, as well as the nutrients being delivered directly to your skeletal muscle. https://fitose.com/rapid-tone-diet/